A rare mineral originally reported as yellowish hexagonal plates from Bolivian tin mines, perhaps a form of jarosite.
Raimondite is a hydrous sulphate of iron and potassium. Crystal system: trigonal.
Mid 19th century; earliest use found in James Dana (1813–1895), geologist, zoologist, and teacher. From German Raimondit from the name of Antonio Raimondi, Italian-born Peruvian scientist who discovered the mineral + German -it.